[go: up one dir, main page]

CN209699003U - Auxiliary mould for device for providing torque amplification - Google Patents

Auxiliary mould for device for providing torque amplification Download PDF

Info

Publication number
CN209699003U
CN209699003U CN201920275918.5U CN201920275918U CN209699003U CN 209699003 U CN209699003 U CN 209699003U CN 201920275918 U CN201920275918 U CN 201920275918U CN 209699003 U CN209699003 U CN 209699003U
Authority
CN
China
Prior art keywords
torque amplification
providing torque
attachment base
auxiliary mould
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920275918.5U
Other languages
Chinese (zh)
Inventor
胡一廷
陈寿宇
李明
李志平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC Commercial Aircraft Engine Co Ltd
Original Assignee
AECC Commercial Aircraft Engine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AECC Commercial Aircraft Engine Co Ltd filed Critical AECC Commercial Aircraft Engine Co Ltd
Priority to CN201920275918.5U priority Critical patent/CN209699003U/en
Application granted granted Critical
Publication of CN209699003U publication Critical patent/CN209699003U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

The utility model relates to a kind of auxiliary moulds for device for providing torque amplification, device for providing torque amplification (5) is for screwing to screw part, to screw part for fixing part to be fixed, auxiliary mould includes attachment base (6) and support device, attachment base (6) is connect with part to be fixed, support device is arranged on attachment base (6), it is used to support device for providing torque amplification (5) and is movably arranged relative to attachment base (6), to adjust the position of the rotation axis of device for providing torque amplification (5).The utility model can make the shell of device for providing torque amplification and part to be fixed keep relatively fixed, prevent the part to be fixed during screwing to screw part from rotating together with to screw part, cause to screw unsuccessfully;Support device is movably arranged relative to attachment base, the position of the rotation axis of adjustable device for providing torque amplification, and the rotation axis and the axis collinear to screw part for advantageously ensuring that device for providing torque amplification prevent torque deviation.

Description

Auxiliary mould for device for providing torque amplification
Technical field
The utility model relates to assembly tooling technical field more particularly to a kind of auxiliary moulds for device for providing torque amplification.
Background technique
Currently, through carrying out auxiliary assembly frequently with device for providing torque amplification, providing rotation by device for providing torque amplification when tightening workpiece Torque can provide bigger rotation torque, for the mode manually assembled completely, can greatly improve assembly Efficiency.But need to guarantee when using device for providing torque amplification to tighten the part that workpiece is connected it is fixed, if the part and tightening work Part rotates together, and will cause assembly failure.
At this stage, when specific operation, generally suitable mode can be selected to guarantee to tighten workpiece institute according to actual scene The stationarity of union piece is needed specially to prepare matched auxiliary mould, be taken time and effort to improve efficiency;Also, oneself is made Standby auxiliary mould is usually simpler and cruder, it is difficult to meet assembly demand.
Utility model content
The purpose of this utility model is to propose a kind of auxiliary mould for device for providing torque amplification, preferably meets assembly need It asks.
To achieve the above object, the utility model provides a kind of auxiliary mould for device for providing torque amplification, torsion multiplication Device is for screwing to screw part, to screw part for fixing part to be fixed, comprising:
Attachment base is connect with part to be fixed;With
Support device is arranged on attachment base, is used to support device for providing torque amplification and is movably arranged relative to attachment base, with Adjust the position of the rotation axis of device for providing torque amplification.
Optionally, attachment base is equipped with mounting groove, and support device includes:
Bracket is arranged in mounting groove and can slide relative to mounting groove;With
Screw rod, with attachment base by being threadedly engaged.
Optionally, bracket includes arc support slot, and device for providing torque amplification is placed in arc support slot.
Optionally, attachment base includes terminal pad and support frame, and terminal pad is connect with part to be fixed, and support frame and terminal pad connect It connects, support device is arranged on the support frame.
Optionally, auxiliary mould further includes gland and connection component, and gland is used for gland in the separate branch of device for providing torque amplification The side of support arrangement, to fix device for providing torque amplification, connection component is for connecting gland and attachment base.
Optionally, connection component includes connecting rod and nut, and the first end of connecting rod is connect with attachment base, and connecting rod energy Enough to rotate relative to attachment base, gland is equipped with connecting hole, and the second end insertion connecting hole of connecting rod is simultaneously fixed by nut.
Optionally, connecting hole is U-shaped hole, and the opening in U-shaped hole is directed away from the side of device for providing torque amplification, and connecting rod is from U-shaped The opening in hole is inserted into U-shaped hole.
Optionally, attachment base is equipped with mounting hole, and the driving end connecting with the torsion output end of device for providing torque amplification passes through peace It fills hole to cooperate with to screw part, support device is used to adjust the position of the rotation axis of device for providing torque amplification so that device for providing torque amplification The axis collinear of rotation axis and mounting hole.
Optionally, attachment base is equipped with backing pin, and backing pin is used to cooperate with the bar being set on device for providing torque amplification to provide Reaction torque.
Optionally, attachment base is equipped with peep hole, and peep hole is for observing operator wait screw during screwing The rotation position of part.
Based on the above-mentioned technical proposal, the auxiliary mould provided by the utility model for device for providing torque amplification include attachment base and Support device, attachment base are connect with part to be fixed, and the shell of device for providing torque amplification can be made to keep relatively fixed with part to be fixed, prevented Only part to be fixed is rotated together with to screw part during screwing to screw part, causes to screw unsuccessfully;Support device is opposite Movably it is arranged in attachment base, the position of the rotation axis of device for providing torque amplification adjustable in this way, advantageously ensures that torsion doubles The rotation axis of device and the axis collinear to screw part, prevent the rotation axis of device for providing torque amplification from occurring during screwing partially Tiltedly, torque deviation is caused to cause to screw failure or damage to device for providing torque amplification.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model It limits.In the accompanying drawings:
Fig. 1 is concrete application of the utility model for auxiliary mould one embodiment of device for providing torque amplification.
Fig. 2 is assembling schematic diagram of the utility model for auxiliary mould one embodiment of device for providing torque amplification.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the cross-sectional view in Fig. 3 along the direction A-A.
Fig. 5 is structural schematic diagram of the utility model for auxiliary mould one embodiment of device for providing torque amplification.
Fig. 6 is side sectional view of the utility model for auxiliary mould one embodiment of device for providing torque amplification.
Fig. 7 is partial structure diagram of the utility model for auxiliary mould one embodiment of device for providing torque amplification.
In figure:
1, turbine wheel shaft;2, switching shaft assembly;3, clamp nut;4, turbine disc assemblies;5, device for providing torque amplification;6, attachment base; 7, bar;8, driving end;9, terminal pad;10, support frame;11, bracket;12, screw rod;13, gland;14, connecting rod;15, nut; 16, backing pin;17, peep hole;18, the first bolt;19, connecting hole;20, mounting hole;21, mounting groove;22, pin shaft;23, the second spiral shell Bolt;24, torque wrench.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, the technical solution in embodiment is carried out it is clear, complete Ground description.Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts There are other embodiments, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " transverse direction ", " longitudinal direction ", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to scope of protection of the utility model.
Refering to what is shown in Fig. 2, one in the auxiliary mould provided by the utility model for device for providing torque amplification 5 is schematically real It applies in example, device for providing torque amplification 5 includes connection for fixing part to be fixed, auxiliary mould for screwing to screw part, to screw part Seat 6 and support device, attachment base 6 are connect with part to be fixed, and support device is arranged on attachment base 6, and support device is used to support Device for providing torque amplification 5 and support device is movably arranged relative to attachment base 6, to adjust the position of the rotation axis of device for providing torque amplification 5 It sets.
In the above-described embodiments, auxiliary mould includes attachment base 6 and support device, and attachment base 6 is connect with part to be fixed, can So that the shell of device for providing torque amplification 5 keeps relatively fixed with part to be fixed, prevent to be fixed during screwing to screw part Part is rotated together with to screw part, causes to screw unsuccessfully;Support device is movably arranged relative to attachment base 6, can adjust in this way The position of the rotation axis of whole device for providing torque amplification 5, the rotation axis and the axis to screw part for advantageously ensuring that device for providing torque amplification 5 Collinearly, prevent the rotation axis of device for providing torque amplification 5 from glancing off during screwing, cause torque deviation cause to screw failure or Device for providing torque amplification 5 is damaged.
Concrete application below with reference to Fig. 1 to the utility model for auxiliary mould one embodiment of device for providing torque amplification 5 It is described in detail.
As shown in Figure 1, the Low Pressure Turbine Rotor of certain model aero-engine includes turbine wheel shaft 1, switching shaft assembly 2 and turbine Disk component 4 connects turbine wheel shaft 1 and turbine disc assemblies 4 by switching shaft assembly 2.Switching shaft assembly 2 and turbine wheel shaft 1 pass through spline Connection, end face needs to compress by clamp nut 3.The screw-down torque of clamp nut 3 is 600~900Nm, and torque is larger, is twisted It needs to assist tightening by device for providing torque amplification 5 during tight.
When being tightened by the auxiliary of device for providing torque amplification 5, it can be doubled using auxiliary mould provided by the utility model and torsion Device 5 matches.It wherein, is clamp nut 3 to screw part, part to be fixed includes turbine wheel shaft 1 and switching shaft assembly 2, backman Attachment base 6 in dress is connect with switching shaft assembly 2.
Specifically, as seen in figures 3-5, attachment base 6 passes through the first bolt 18 and nut and the fixed company of switching shaft assembly 2 It connects.Optionally, the bolt cap of the first bolt 18 is equipped with corner cut, can prevent from rotating in rundown process.
In other embodiments, part to be fixed may be threaded threaded rod, is nut to screw part, passes through torsion By on nut driving to threaded rod, using can be fixedly connected with attachment base 6 with threaded rod when auxiliary mould at this time multiplier.
As shown in Fig. 5~7, attachment base 6 includes terminal pad 9 and support frame 10, and terminal pad 9 is connect with switching shaft assembly 2, is propped up Support 10 is connect with terminal pad 9, and support device is arranged on support frame 10.
As shown in fig. 7, support frame 10 is connect by the second bolt 23 with terminal pad 9.10 place plane of support frame with connect 9 place plane of disk is substantially vertical.Terminal pad 9 is vertically-mounted.Support frame 10 is horizontally mounted.Support frame 10 is equipped with groove and loss of weight Hole, to mitigate the weight of support frame 10.
Support frame 10 is equipped with mounting groove 21, and support device includes bracket 11 and screw rod 12, and bracket 11 is arranged in mounting groove It can slide in 21 and relative to mounting groove 21, screw rod 12 is with support frame 10 by being threadedly engaged.It, can be with by rotary screw 12 Bracket 11 is driven to slide in mounting groove 21, to adjust the height of bracket 11, and then adjust the rotation axis of device for providing torque amplification 5 Highly, make the rotation axis of device for providing torque amplification 5 conllinear with the central axes of clamp nut 3 as far as possible.
Optionally, bracket 11 includes arc support slot, and device for providing torque amplification 5 is placed in arc support slot.Arc support slot It is consistent with the shape of device for providing torque amplification 5, the stability of device for providing torque amplification 5 can be improved.
As shown in figure 5, auxiliary mould further includes gland 13 and connection component, gland 13 is for gland 13 in device for providing torque amplification The side of 5 separate support device, to fix device for providing torque amplification 5, connection component is for connecting gland 13 and attachment base 6.
The top of bracket 11 is arranged in device for providing torque amplification 5, and 13 gland of gland is in the top of device for providing torque amplification 5, gland 13 Arc support slot on arc, with bracket 11 is formed together the round fixed cylinder for fixing device for providing torque amplification 5, guarantees torsion times Increase the stability of device 5.
Connection component includes connecting rod 14 and nut 15, and the first end of connecting rod 14 is connect with attachment base 6, and connecting rod 14 It can be rotated relative to attachment base 6, gland 13 is equipped with connecting hole 19, and the second end insertion connecting hole 19 of connecting rod 14 simultaneously passes through Nut 15 is fixed.
Specifically, support frame 10 is equipped with groove, and the first end of connecting rod 14 is inserted into groove, and pin shaft 22 passes through connection Bar 14, so that connecting rod 14 can be rotated around pin shaft 22 relative to support frame 10.
Optionally, the quantity of connecting rod 14 be two, two connecting rods 14 are separately positioned on the two sides of gland 13, pass through by The first end of connecting rod 14 is set as to rotate relative to support frame 10, is adapted to the different height of gland 13.
Optionally, connecting hole 19 is U-shaped hole, and the opening in U-shaped hole is directed away from the side of device for providing torque amplification 5, connecting rod 14 It is inserted into U-shaped hole from the opening in U-shaped hole.Setting can be convenient connecting rod 14 and be inserted into from the two sides of gland 13 in this way, realize to pressure The adaptation of 13 different height of lid.
Attachment base 6 is equipped with mounting hole 20, and the driving end 8 connecting with the torsion output end of device for providing torque amplification 5 passes through installation Hole 20 cooperates with to screw part, and support device is used to adjust the position of the rotation axis of device for providing torque amplification 5 so that device for providing torque amplification 5 Rotation axis and mounting hole 20 axis collinear.
Optionally, attachment base 6 is equipped with backing pin 16, and backing pin 16 is used to cooperate with the bar 7 being set on device for providing torque amplification 5 To provide reaction torque.
Clamp nut 3 loosens in order to prevent, is fixed after clamp nut 3 is tightened by locking locking plate, realizes Locking purpose.Locking locking plate is mounted in the axial trough of turbine wheel shaft 1, after clamp nut 3 is tightened, in the claw and compression of locking locking plate When the end face tooth socket alignment of nut, claw press-bending is caught in tooth socket, can be realized locking.
Optionally, attachment base 6 be equipped with peep hole 17, peep hole 17 for make operator observed during screwing to The rotation position of screw part.When tightening, the rotation position of clamp nut 3 can be observed in real time by peep hole 17, facilitate control Device for providing torque amplification 5 processed stops working again when clamp nut 3 is screwed to some tooth socket the position being aligned with locking plate.
One embodiment application scenarios shown in Fig. 1 to the utility model for the auxiliary mould of device for providing torque amplification below When the course of work be illustrated:
As shown in Fig. 2~7, first passes through the first bolt 18 and nut and attachment base 6 is fixed on switching shaft assembly 2;
Bracket 11 is put into the mounting groove 21 of support frame 10 again;
It is screwed into the threaded hole of support frame 10 from bottom by screw rod 12;
It is aligned the tooth socket of driving end 8 and clamp nut 3, driving end 8 is installed in the mounting hole 20 of terminal pad 9;
Device for providing torque amplification 5 is fitted into the transfer hole of driving end 8, while tightening screw rod 12, adjusted the height of bracket 11, make Obtain the rotation axis of device for providing torque amplification 5 and the axis collinear of clamp nut 3;
Gland 13 is pressed in the top of device for providing torque amplification 5 from upper end, by the screw rod 12 of two sides from the open end of connecting hole 19 It is inserted into connecting hole 19, then passes through 15 standing screw 12 of nut;
Torque wrench 24 is installed in the end transfer hole of device for providing torque amplification 5, torque is applied to clamp nut 3, simultaneously The claw of locking plate and the tooth socket relative position of clamp nut 3, claw and tooth socket pair are locked from the peep hole 17 in terminal pad 9 Stop limiter after neat.
Pass through the explanation to the utility model for multiple embodiments of the auxiliary mould of device for providing torque amplification, it can be seen that this Auxiliary mould embodiment of the utility model for device for providing torque amplification at least has the advantages that one or more of:
1, support device is movably arranged relative to attachment base, and the rotation axis measurement of device for providing torque amplification is adjustable when limiter, It avoids rotation axis during limiter from tilting, leads to torque deviation, the torque of application is accurate and reliable;
2, auxiliary mould further includes gland, can device for providing torque amplification pressed from above, improve the stability of device for providing torque amplification;
3, terminal pad is equipped with peep hole, and nut limiter process is visual, and nut tooth socket is directed at while convenient for applying torque With locking plate angular position, avoids causing tooth slot position and locking plate jaw position inconsistent because not visible, locking plate can not be locked, mentioned Height assembly accuracy;
4, auxiliary mould overall structure is simple, quick for installation, reduces and tightens the time, improves assembly efficiency.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it System;Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics It changes;Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model In range.

Claims (10)

1. one kind is used for the auxiliary mould of device for providing torque amplification (5), the device for providing torque amplification (5) is described for screwing to screw part To screw part for fixing part to be fixed characterized by comprising
Attachment base (6) is connect with the part to be fixed;With
Support device is arranged on the attachment base (6), is used to support the device for providing torque amplification (5) and relative to the connection Seat (6) is movably arranged, to adjust the position of the rotation axis of the device for providing torque amplification (5).
2. the auxiliary mould according to claim 1 for device for providing torque amplification (5), which is characterized in that the attachment base (6) Equipped with mounting groove (21), the support device includes:
Bracket (11), setting is in the mounting groove (21) and can slide relative to the mounting groove (21);With
Screw rod (12), with the attachment base (6) by being threadedly engaged.
3. the auxiliary mould according to claim 2 for device for providing torque amplification (5), which is characterized in that the bracket (11) Including arc support slot, the device for providing torque amplification (5) is placed in the arc support slot.
4. the auxiliary mould according to claim 1 for device for providing torque amplification (5), which is characterized in that the attachment base (6) Including terminal pad (9) and support frame (10), the terminal pad (9) connect with the part to be fixed, support frame as described above (10) and institute Terminal pad (9) connection is stated, the support device is arranged on support frame as described above (10).
5. the auxiliary mould according to claim 1 for device for providing torque amplification (5), which is characterized in that the auxiliary mould It further include gland (13) and connection component, the gland (13) is used for gland (13) in the separate institute of the device for providing torque amplification (5) The side of support device is stated, with the fixation device for providing torque amplification (5), the connection component is for connecting the gland (13) and institute State attachment base (6).
6. the auxiliary mould according to claim 5 for device for providing torque amplification (5), which is characterized in that the connection component Including connecting rod (14) and nut (15), the first end of the connecting rod (14) is connect with the attachment base (6), and the connection Bar (14) can be rotated relative to the attachment base (6), and the gland (13) is equipped with connecting hole (19), the connecting rod (14) Second end be inserted into the connecting hole (19) and fixed by the nut (15).
7. the auxiliary mould according to claim 6 for device for providing torque amplification (5), which is characterized in that the connecting hole It (19) is U-shaped hole, the opening in the U-shaped hole is directed away from the side of the device for providing torque amplification (5), and the connecting rod (14) is from institute The opening for stating U-shaped hole is inserted into the U-shaped hole.
8. the auxiliary mould according to claim 1 for device for providing torque amplification (5), which is characterized in that the attachment base (6) It is equipped with mounting hole (20), the driving end (8) connecting with the torsion output end of the device for providing torque amplification (5) passes through the mounting hole (20) cooperate with described to screw part, the support device is used to adjust the position of the rotation axis of the device for providing torque amplification (5) So that the axis collinear of the rotation axis of the device for providing torque amplification (5) and the mounting hole (20).
9. the auxiliary mould according to claim 1 for device for providing torque amplification (5), which is characterized in that the attachment base (6) It is equipped with backing pin (16), the backing pin (16) is used to cooperate with the bar (7) being set on the device for providing torque amplification (5) to provide Reaction torque.
10. the auxiliary mould according to claim 1 for device for providing torque amplification (5), which is characterized in that the attachment base (6) peep hole (17) are equipped with, the peep hole (17) is described to screw part for observing operator during screwing Rotation position.
CN201920275918.5U 2019-03-05 2019-03-05 Auxiliary mould for device for providing torque amplification Active CN209699003U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920275918.5U CN209699003U (en) 2019-03-05 2019-03-05 Auxiliary mould for device for providing torque amplification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920275918.5U CN209699003U (en) 2019-03-05 2019-03-05 Auxiliary mould for device for providing torque amplification

Publications (1)

Publication Number Publication Date
CN209699003U true CN209699003U (en) 2019-11-29

Family

ID=68643200

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920275918.5U Active CN209699003U (en) 2019-03-05 2019-03-05 Auxiliary mould for device for providing torque amplification

Country Status (1)

Country Link
CN (1) CN209699003U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111673680A (en) * 2020-04-30 2020-09-18 中国航发南方工业有限公司 Rotor assembly assembling and disassembling tool
CN113566666A (en) * 2020-04-28 2021-10-29 中国航发商用航空发动机有限责任公司 Low-pressure turbine rotation and stator axial distance measuring method
CN113814915A (en) * 2020-06-18 2021-12-21 中国航发商用航空发动机有限责任公司 Fixing clamp, assembly component and assembly method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113566666A (en) * 2020-04-28 2021-10-29 中国航发商用航空发动机有限责任公司 Low-pressure turbine rotation and stator axial distance measuring method
CN113566666B (en) * 2020-04-28 2023-01-24 中国航发商用航空发动机有限责任公司 Low-pressure turbine rotation and stator axial distance measuring method
CN111673680A (en) * 2020-04-30 2020-09-18 中国航发南方工业有限公司 Rotor assembly assembling and disassembling tool
CN111673680B (en) * 2020-04-30 2022-04-19 中国航发南方工业有限公司 Rotor assembly assembling and disassembling tool
CN113814915A (en) * 2020-06-18 2021-12-21 中国航发商用航空发动机有限责任公司 Fixing clamp, assembly component and assembly method
CN113814915B (en) * 2020-06-18 2022-11-04 中国航发商用航空发动机有限责任公司 Fixing clamp, assembly component and assembly method

Similar Documents

Publication Publication Date Title
CN209699003U (en) Auxiliary mould for device for providing torque amplification
CN209868429U (en) Nut force limiting tool
CN111774910A (en) Clamp for machining and detecting shaft hole of machine shell
CN208473655U (en) A kind of protective net easy for installation
CN208924154U (en) Photovoltaic apparatus
CN216328068U (en) Auxiliary tool for preventing following rotation of single bolt tightening nut
CN216913626U (en) Automatic mechanical equipment for electrical assembly
CN207687124U (en) A kind of hardware combined piece of the high strength type with card slot
CN214323177U (en) Spanner
CN213117090U (en) Axle head nut anti-disengaging structure based on multistage centrifugal pump
CN205426421U (en) A pre -installation handrail that connector when is used for engine rotor balancing experimental and be used for installing this connector
CN209577793U (en) A kind of fluid pressure type pipe fitting corrector
CN212762029U (en) Nut and plane bearing assembly devices
CN207013953U (en) Assemble scraping power-assisted tool structure
CN209110987U (en) A kind of spring screw presses fixed auxiliary holding device
CN208663646U (en) A kind of electric vacuum pump of automobile assembly tooling
CN210146315U (en) Fixed knot constructs is used in production of fire prevention door and window
CN109773104A (en) A kind of mechanical press screw rod set clamp device and method
CN219685446U (en) Automatic screwing equipment
CN210732305U (en) Nut torque tool
CN217740325U (en) Connect firm transformer skeleton texture
CN217292123U (en) Labor-saving wrench
CN218488243U (en) Connecting rod type adjustable wrench
CN210608258U (en) Power distribution cabinet stand column clamping tool
CN218955941U (en) Thermocouple installation tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant